\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Differences in Coefficient Size (SUR): Exposure Outcomes \label{suregmat}}
\begin{tabular}{l*{3}{c}}
\hline\hline
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}\\
            &\multicolumn{1}{c}{Gender}&\multicolumn{1}{c}{Gender}&\multicolumn{1}{c}{Gender}\\
            &        b/se   &        b/se   &        b/se   \\
\hline
Gender      &               &               &               \\
Gender      &        0.58***&        0.36** &        0.17   \\
            &      (0.15)   &      (0.12)   &      (0.15)   \\
\hline
child2      &               &               &               \\
Prox\_childB &        0.88***&        0.65***&        0.29   \\
            &      (0.22)   &      (0.18)   &      (0.23)   \\
\hline
gunOa       &               &               &               \\
No\_Gun      &        0.26** &       -0.04   &        0.29** \\
            &      (0.10)   &      (0.07)   &      (0.10)   \\
\hline
Black       &               &               &               \\
Black       &        0.26** &        0.15*  &        0.15   \\
            &      (0.08)   &      (0.06)   &      (0.09)   \\
\hline
minW        &               &               &               \\
Min\_wage    &        0.34** &        0.27***&        0.08   \\
            &      (0.12)   &      (0.08)   &      (0.12)   \\
\hline
N           &        1348   &        1393   &        1359   \\
\hline\hline
\end{tabular}
\end{table}
